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Mechanical Performance of Eco-Friendly Concretes with Volcanic Powder and Recycled Concrete Aggregates

Author

Listed:
  • Viviana Letelier

    (Departamento de Obras Civiles, Universidad de la Frontera, Av. Fco. Salazar, Temuco 01145, Chile)

  • José Marcos Ortega

    (Departamento de Ingeniería Civil, Universidad de Alicante, Ap. Correos 99, 03080Alacant/Alicante, Spain)

  • Ester Tarela

    (Departamento de Obras Civiles, Universidad de la Frontera, Av. Fco. Salazar, Temuco 01145, Chile)

  • Pedro Muñoz

    (Facultad de Ingeniería, Universidad Autónoma de Chile, 5 Poniente, 1670, Talca 3460000, Chile
    Escuela Superior de Ingeniería y Tecnología (ESIT), Universidad Internacional de La Rioja, Av. de la Paz, 137, 26006Logroño, La Rioja, Spain)

  • Bastián I. Henríquez-Jara

    (Departamento de Obras Civiles, Universidad de la Frontera, Av. Fco. Salazar, Temuco 01145, Chile)

  • Giacomo Moriconi

    (Department of Science and Engineering of Matter, Environment and Urban Planning, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy)

Abstract

At present, reducing the environmental impact of the construction industry is a major subject of study. In terms of the use of recycled concrete aggregates (RCA), most recently conducted studies have shown that the use of a limited percentage of those aggregates does not significantly affect the properties of concretes. This work analysed the mechanical properties of medium-strength concretes with a high contribution to sustainability, where cement and natural coarse aggregates (NCA) were partially replaced by volcanic powder (VP) and RCA, respectively. Three mixing ratios of VP replacement were tested in concretes without RCA and concretes with 30% RCA replacing NCA. Results show that when VP is used without RCA, up to 10% of the cement can be replaced by VP without a significant loss in the mechanical properties. When a combination of 5% VP and 30% RCA is used, the weakness of the recycled concrete is strengthened, obtaining stronger concretes than a control concrete with no recycled materials. Finally, the greenhouse gas assessment showed that the simultaneous incorporation of VP and RCA reduces CO 2 emissions produced in the manufacture of concrete by up to 13.6%.

Suggested Citation

  • Viviana Letelier & José Marcos Ortega & Ester Tarela & Pedro Muñoz & Bastián I. Henríquez-Jara & Giacomo Moriconi, 2018. "Mechanical Performance of Eco-Friendly Concretes with Volcanic Powder and Recycled Concrete Aggregates," Sustainability, MDPI, vol. 10(9), pages 1-17, August.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:9:p:3036-:d:165982
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    Citations

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    Cited by:

    1. Tereza Pavlů & Vladimír Kočí & Petr Hájek, 2019. "Environmental Assessment of Two Use Cycles of Recycled Aggregate Concrete," Sustainability, MDPI, vol. 11(21), pages 1-22, November.
    2. Wenqiang Xing & Zhihe Cheng & Xianzhang Ling & Liang Tang & Shengyi Cong & Shaowei Wei & Lin Geng, 2022. "Bearing Properties and Stability Analysis of the Slope Protection Framework Using Recycled Railway Sleepers," Sustainability, MDPI, vol. 14(8), pages 1-11, April.
    3. Afonso Miguel Solak & Antonio José Tenza-Abril & José Miguel Saval & Victoria Eugenia García-Vera, 2018. "Effects of Multiple Supplementary Cementitious Materials on Workability and Segregation Resistance of Lightweight Aggregate Concrete," Sustainability, MDPI, vol. 10(11), pages 1-14, November.
    4. Marcos Vinicius Bueno de Morais & Viviana Vanesa Urbina Guerrero & Edmilson Dias de Freitas & Edson R. Marciotto & Hugo Valdés & Christian Correa & Roberto Agredano & Ismael Vera-Puerto, 2019. "Sensitivity of Radiative and Thermal Properties of Building Material in the Urban Atmosphere," Sustainability, MDPI, vol. 11(23), pages 1-15, December.
    5. Hossein Javadi & Seyed Soheil Mousavi Ajarostaghi & Marc A. Rosen & Mohsen Pourfallah, 2018. "A Comprehensive Review of Backfill Materials and Their Effects on Ground Heat Exchanger Performance," Sustainability, MDPI, vol. 10(12), pages 1-22, November.

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